MESON Chess Problem Database
Problem Display
PID: 82165 (1b2Q3/1B6/3p4/1R3P2/1R1NPk1K/r3Np2/b2P4/B7 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Schach-Echo, 1974
#2
11 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb3
- 2.Sd5#
- 2.Se6#
- 1...Bb1
- 2.Sd5#
- 2.Se6#
- 1...Bd5
- 2.Sxd5#
- 1...Be6
- 2.Sxe6#
- 1...f2
- 2.Sg2#
- 1...d5
- 2.Se6#
- 1...Rb3
- Tries
- 1.Sb3?
- threat
- 2.Sd5#
- 2.e5#
- 1...Rxb3
- 2.Sd5#
- 1...f2
- 2.e5#
- 1...Ra4
- 2.Sd5#
- 1...Bb1
- 2.Sd5#
- 1...Ba7
- 2.Sd5#
- 1...d5
- 2.Sxd5#
- 2.Qxb8#
- 2.exd5#
- 1...Bxb3!
- threat
- 1.Bd5?
- threat
- 2.Se6#
- 1...Bxd5
- 2.Sxd5#
- 1...f2
- 2.Sg2#
- 1...Rc3!
- threat
- 1.Rb3?
- threat
- 2.Sd5#
- 2.Se6#
- 1...f2
- 2.Sg2#
- 2.Sd5#
- 1...d5
- 2.Sxd5#
- 1...Bxb3!
- threat
- 1.Rc4?
- threat
- 2.Sd5#
- 2.Se6#
- 1...Rxe3
- 2.Se6#
- 1...f2
- 2.Sg2#
- 2.Sd5#
- 1...d5
- 2.Sxd5#
- 2.Se6#
- 1...Bxc4!
- threat
- 1.Rd5?
- threat
- 2.Se6#
- 1...Bxd5
- 2.Sxd5#
- 1...f2
- 2.Sg2#
- 1...Bc4!
- threat
- 1.Qh5?
- threat
- 2.Qxf3#
- 2.Qg4#
- 2.Qg5#
- 2.Qh6#
- 1...Rxe3
- 2.Qg4#
- 2.Qg5#
- 2.Qh6#
- 1...d5
- 2.Se6#
- 1...f2
- 2.Sg2#
- 2.Se2#
- 2.Qf3#
- 2.Qg4#
- 2.Qg5#
- 2.Qh6#
- 1...Bd5!
- threat
- 1.Qg6?
- threat
- 2.Qg3#
- 2.Qg4#
- 2.Qg5#
- 2.Qh6#
- 1...d5
- 2.Se6#
- 1...Bd5!
- threat
- 1.Qe6?
- threat
- 2.Qh6#
- 1...Bxe6
- 2.Sxe6#
- 1...Bd5
- 2.Sxd5#
- 1...d5!
- threat
- 1.Qd8?
- threat
- 2.Qg5#
- 1...d5
- 2.Se6#
- 1...Bd5!
- threat
- 1.Qf8?
- threat
- 2.Qh6#
- 1...d5
- 2.Se6#
- 1...Bd5!
- threat
- 1.Qh8?
- threat
- 2.Qh6#
- 1...d5
- 2.Se6#
- 1...Bd5!
- threat
- 1.e5?
- threat
- 2.Se2#
- 2.Sb3#
- 2.Se6#
- 1...dxe5
- 2.Se2#
- 2.Se6#
- 1...Bd5
- 2.Se2#
- 2.Se6#
- 1...d5
- 2.Se2#
- 2.Se6#
- 1...Rc3
- 2.Se2#
- 2.Se6#
- 1...Rb3
- 2.Se2#
- 2.Sxb3#
- 2.Se6#
- 1...Rd3
- 2.Se2#
- 2.Se6#
- 1...Ra4
- 2.Se2#
- 2.Se6#
- 1...Bb1
- 2.Sdc2#
- 2.Se2#
- 2.Se6#
- 1...Bb3
- 2.Se2#
- 2.Sxb3#
- 2.Se6#
- 1...Bc4
- 2.Se6#
- 1...Be6
- 2.Se2#
- 2.Sxe6#
- 1...Bf7
- 2.Se2#
- 2.Se6#
- 1...Bg8
- 2.Se2#
- 2.Se6#
- 1...Ba7
- 2.Se2#
- 2.Se6#
- 1...Rxe3!
- threat
- 1.f6?
- threat
- 2.Rf5#
- 1...Bd5
- 2.Sxd5#
- 1...Be6
- 2.Sxe6#
- 1...d5
- 2.Se6#
- 1...Ra5!
- threat
- 1.Sb3?
- Keys
- 1.Qe7!
- threat
- 2.Qg5#
- 1...Bd5
- 2.Sxd5#
- 1...d5
- 2.Se6#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- B(a);N_GUARD::S(C),XB(a)
- B(a);N_GUARD::S(E),XB(a)
- P(c);N_GUARD::S(C)
- P(e);S_CUTB(a)::S(E)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(b);XS(E)::S(C)
- P(c);::R(D)+P(F)
- R(b);::S(C)
- B(a);::S(C)
- B(f);::S(C)
- Refutation
- B(a);XS(E)
- Try
- B(J);
- Threat
- S(E)
- Vars
- B(a);XB(J)::S(C),XB(a)
- P(c);N_GUARD::S(C)
- Refutation
- R(b);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- P(e);::S(C),XP(e)
- Refutation
- B(a);XR(D)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- R(b);XS(C)::S(E)
- Refutation
- B(a);XR(D)
- Try
- R(H);
- Threat
- S(E)
- Vars
- B(a);XR(H)::S(C),XB(a)
- P(c);N_GUARD::S(C)
- Refutation
- B(a);
- Try
- Q(K);
- Threat
- DUALS(4)
- Vars
- P(e);S_CUTB(a)::S(E)
- Refutation
- B(a);
- Try
- Q(K);
- Threat
- DUALS(4)
- Vars
- P(e);S_CUTB(a)::S(E)
- Refutation
- B(a);
- Try
- Q(K);
- Threat
- QAB(K)
- Vars
- B(a);XQ(K)::S(E),XB(a)
- B(a);N_GUARD::S(C),XB(a)
- Refutation
- P(e);
- Try
- Q(K);
- Threat
- QAB1(K)
- Vars
- P(e);S_CUTB(a)::S(E)
- Refutation
- B(a);
- Try
- Q(K);
- Threat
- QAB(K)
- Vars
- P(e);S_CUTB(a)::S(E)
- Refutation
- B(a);
- Try
- Q(K);
- Threat
- QAB(K)
- Vars
- P(e);S_CUTB(a)::S(E)
- Refutation
- B(a);
- Try
- P(F);
- Threat
- DUALS(3)
- Vars
- B(a);::S(E)
- Refutation
- R(b);XS(C)
- Try
- P(I);
- Threat
- R1(H)
- Vars
- B(a);N_GUARD::S(C),XB(a)
- B(a);N_GUARD::S(E),XB(a)
- P(e);S_CUTB(a)::S(E)
- Refutation
- R(b);
- Try
- Actual
- Q(K);
- Threat
- QAB1(K)
- Vars
- B(a);N_GUARD::S(C),XB(a)
- P(e);S_CUTB(a)::S(E)
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